storm

n.

Old English storm, from Proto-Germanic *sturmaz (cf. Old Norse stormr, Old Saxon, Middle Low German, Middle Dutch, Dutch storm, Old High German and German sturm). Old French estour "onset, tumult," Italian stormo are Germanic loan-words. Figurative (non-meteorological) sense was in late Old English.

Storm-door first recorded 1878; storm-water is from 1879; storm-window is attested from 1824. Storm surge attested from 1929.

v.

of the wind, "to rage, be violent," c.1400, from storm (n.). Military sense (1640s) first used by Oliver Cromwell. Related: Stormed; storming.